Tracheostomy tube holder assembly



FIG. 1 is a top plan view of our new design for a tracheostomy tube holder assembly;

FIG. 2 is a rear plan view thereof;

FIG. 3 is a rear perspective view thereof in an assembled configuration; and,

FIG. 4 is a front perspective view thereof in an assembled configuration.

The broken line showing of a portion of the tracheostomy tube holder assembly is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a tracheostomy tube holder assembly, as shown and described. 